'Fellow labourer' in the Bible

Salute Urbanus, our fellow-labourer in Christ, and my beloved Stachys.

Timothy my fellow-labourer, and Lucius, and Jason, and Sosipater my kinsmen salute you.

If any inquire concerning Titus, he is my partner, and fellow-labourer with respect to you; or concerning our brethren, they are the messengers of the churches, the glory of Christ.

Paul, a prisoner of Jesus Christ, and Timotheus a brother, to Philemon the beloved and our fellow-labourer,